What are the differences between Cortex-M4 and Cortex-M55?

Key Differences

• Cortex-M55 is optimized for AI & DSP with Helium vector processing, making it much more efficient for machine learning workloads.
• Cortex-M4 is a solid general-purpose microcontroller, but lacks advanced security features like TrustZone and Helium.
• Cortex-M55 has better caching and memory management, improving performance for complex applications.